Karaalp, D., Pekgüzel, E.A. and Azbar, N. 2015. Evaluation of Performance of Sequential Membranes Used in Pilot Scale Biogas Plant: A Case Study for Laying Hen Manure. International Journal of Membrane Science and Technology. 2, 1 (May 2015), 28-33. DOI:https://doi.org/10.15379/ijmst.v2i1.326.